One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,6,7)(3,9,10,4)(5,13,15,8)(11,12,16,14)(17,18,23,22)(19,27,30,24)(20,25,29,31)(21,26,28,32)(33,34,38,42)(35,43,44,39)(36,40,46,48)(37,41,45,47)(1,2,6,7)(3,4,10,9)(5,8,15,13)(11,12,16,14)(17,19)(18,24)(20,28)(21,29)(22,27)(23,30)(25,26)(31,32)(33,34)(35,39)(36,40)(37,47)(38,42)(41,45)(43,44)(46,48)(2,7)(3,10)(8,13)(11,16)(17,20,23,29)(18,25,22,31)(19,28,30,21)(24,26,27,32)(33,35,38,44)(34,39,42,43)(36,45,46,37)(40,41,48,47)(1,3,6,10)(2,4,7,9)(5,11,15,16)(8,12,13,14)(17,20)(18,25)(19,28)(21,30)(22,31)(23,29)(24,26)(27,32)(33,36,38,46)(34,40,42,48)(35,37,44,45)(39,47,43,41)(1,4)(2,3)(5,14)(6,9)(7,10)(8,16)(11,13)(12,15)(17,21,23,28)(18,26,22,32)(19,29,30,20)(24,25,27,31)(33,37)(34,41)(35,36)(38,45)(39,48)(40,43)(42,47)(44,46)(1,5,6,15)(2,8,7,13)(3,11,10,16)(4,12,9,14)(17,22,23,18)(19,27,30,24)(20,31,29,25)(21,26,28,32)(33,34)(35,39)(36,40)(37,47)(38,42)(41,45)(43,44)(46,48)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.